fixed grammar
increased version of column charts
JSON api now sends proper header
ignoring test charts
added simple hack for storing test cases using datawrapper ui (for internal use only)
unignoring test charts
if a theme has been removed, no errors are thrown in mychart anymore

instead the charts are simply being ignored, and not shown anymore
some test charts
more test charts
more test cases
make sure duplicated charts belong the user who duplicated it

which is must not be the creator but also an admin
charts must be published to be public
added another error message
storing domains in global JavaScript
popupChart is now a global function (re-used by mycharts)
added admin view of user charts
refactored bootstrap code to lib/bootstrap.php
fixed ender overlay mask position
added warning message for admins editing others charts
refactored getUnusedRandomId()